1873764 has 72 divisors (see below), whose sum is σ = 5171712. Its totient is φ = 570240.

The previous prime is 1873727. The next prime is 1873769. The reversal of 1873764 is 4673781.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nialpdrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1873769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25632 + ... + 25704.

2^1873764 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1873764, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2585856).

1873764 is an abundant number, since it is smaller than the sum of its proper divisors (3297948).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1873764 is a wasteful number, since it uses less digits than its factorization.

1873764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137 (or 132 counting only the distinct ones).

The product of its digits is 28224, while the sum is 36.

The square root of 1873764 is about 1368.8549959729. The cubic root of 1873764 is about 123.2835023106.

The spelling of 1873764 in words is "one million, eight hundred seventy-three thousand, seven hundred sixty-four".